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Plutonium hydride is a non-stoichiometric chemical compound with the formula PuH 2+x. It is one of two characterized hydrides of plutonium; the other is PuH 3. [1] PuH 2+x is non-stoichiometric with a composition range of PuH 2 – PuH 2.7. Metastable stoichiometries with an excess of hydrogen (PuH 2.7 – PuH 3) can also be formed. [1] PuH 2 has
PuB 2 is formed at 800 °C and has a similar structure to most other metal diborides. At 1200 °C with 70–85% boron, mixtures of PuB 4 and PuB 6 are formed, with more of the latter as the temperature increases; PuB 4 has the tetragonal structure (same as UB 4 ), and PuB 6 has cubic structure, same as all hexaborides ( CaB 6 , LaB 6 etc.).
Additionally, the formal +2 oxidation state of plutonium is known in the complex [K(2.2.2-cryptand)] [Pu II Cp″ 3], Cp″ = C 5 H 3 (SiMe 3) 2. [5] A +8 oxidation state is possible as well in the volatile tetroxide PuO 4. [6] Though it readily decomposes via a reduction mechanism similar to FeO 4, PuO 4 can be stabilized in alkaline solutions ...
The content of PuO 2 may vary from 1.5 wt.% to 25–30 wt.% depending on the type of nuclear reactor. One attraction of MOX fuel is that it is a way of utilizing surplus weapons-grade plutonium, an alternative to storage of surplus plutonium, which would need to be secured against the risk of theft for use in nuclear weapons .
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2 B R 0 2 B" is a science fiction short story by Kurt Vonnegut, originally published in the digest magazine If: Worlds of Science Fiction in January 1962, and later collected in Vonnegut's Bagombo Snuff Box (1999). The title is pronounced "2 B R naught 2 B" and references the famous phrase "to be, or not to be" from William Shakespeare's Hamlet ...
Plutonium spontaneously oxidizes to PuO 2 in an atmosphere of oxygen. Plutonium dioxide is mainly produced by calcination of plutonium(IV) oxalate, Pu(C 2 O 4) 2 ·6H 2 O, at 300 °C. Plutonium oxalate is obtained during the reprocessing of nuclear fuel as plutonium is dissolved in a solution of nitric and hydrofluoric acid. [6]